
Always wear eye protection when operating or performing maintenance on this tool.
Always turn o the air supply and disconnect the air supply hose before installing, removing or adjusting any accessory on this tool or
before performing any maintenance on this tool.
Maintenance procedures have the potential for severe shock hazard and should be performed by qualied personnel.
Note: (When reading the instructions, refer to exploded diagrams in parts Information Manuals when applicable (see under Related Documentation
for form numbers).
Disassembly
Cover (1)
Using a phillips screwdriver, remove the four Cover Mounting
Screws (2).
Lift the Cover o the Chassis (3).
Power Cord Assembly (4)
Using a thin bladed screwdriver, loosen the right rear screw in the
Terminal Block (17) and remove the white wire.
Remove the heat shrink from the Power Switch (25) and unsolder
the black wire from the Switch.
Loosen the two Ground Screw Nuts (12) and remove the green
ground wire.
Using a thin bladed screwdriver, pry the Cord Stop (5) out of the
Chassis (3) and remove the Cord Assembly.
Transformer (15)
Remove the heat shrink and unsolder the two yellow wires from
the red and brown leads.
Using a thin bladed screwdriver, loosen the three screws at the
front of the Terminal Block (17) and remove the brown, grey and
white wires.
Using a phillips screwdriver, remove the two Transformer
Mounting Screws (16).
Circuit Board (21)
Unplug the two Socket Assemblies (24).
Important: Note the location of the Socket Assemblies for
reassembly purposes.
Using a phillips screwdriver, remove the two Mounting Bracket
Screws (20).
Fuse Holder (6)
Insert a thin bladed screwdriver into the slots in the fuse holder
cap and rotate the cap counterclockwise. Remove the cap and
the Fuse (7).
Remove the heat shrink and unsolder the two wires from the
Holder.
Using a wrench, unscrew and remove the fuse holder nut. Pull the
Fuse Holder out of the Chassis (3).
1.
2.
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2.
3.
4.
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2.
3.
1.
2.
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2.
3.
Soft Start Potentiometer (32)
Using a miniature thin bladed screwdriver, unscrew and
loosen the setscrew in the Control Knob (30) of the Soft Start
Potentiometer. Remove the Knob.
Unscrew and remove the potentiometer nut and pull the
Potentiometer away from the Chassis (3).
Remove the heat shrink and unsolder the yellow and orange
wires. Important: Note the location of these wires for reassembly
purposes.
Speed Potentiometer (31)
Using a miniature thin bladed screwdriver, unscrew and loosen
the setscrew in the Control Knob (30) of the Speed Potentiometer.
Remove the Knob.
Unscrew and remove the potentiometer nut and pull the
Potentiometer away from the Chassis (3). Important: Note the
location of these wires for reassembly purposes.
Power Switch (25)
Using pliers, unscrew and remove the Switch Mounting Nut (26).
Remove the shrink wrap and unsolder the two wires from the
Power Switch. Important: Note the colors and location of these
wires for reassembly purposes.
Pilot Lamp (27)
Loosen and remove the nut and washer of the Pilot Lamp located
on the back of chassis front panel.
Remove the heat shrink and unsolder the two wires on the Pilot
Lamps. Important: Note the colors and location of these wires for
reassembly purposes.
Receptacle (28)
Using a phillips head screwdriver, unscrew and remove the four
Receptacle Mounting Screws (29).
Remove the heat shrink and unsolder the ve wires at the
Receptacle. Important: Note the color and location of these wires
for reassembly purposes. To assist with reassembly, the plug face
is numbered at each jack position.
1.
2.
3.
1.
2.
1.
2.
1.
2.
1.
2.
Assembly
Receptacle (28)
Slip a small piece of heat shrink tubing (obtain from nearest Radio
Shack) onto each of the ve receptacle wires.
Pull the wires through the receptacle opening in the front face of
the Chassis (3) and solder each colored wire to the same terminal
it was removed from at disassembly.
Slide the ve pieces of heat shrink tubing over the soldered
connections and heat shrink the tubing.
Position the Receptacle against the face of the Chassis with the
number one jack at one o’clock and the number ve jack at eleven
o’clock. Secure the Receptacle by installing the four Receptacle
Mounting Screws (29).
1.
2.
3.
4.
Pilot Lamp (27)
Install the Pilot Lamp in the Chassis (3) and secure it with the nut
and washer.
Slip a small piece of heat shrink tubing onto each of the two pilot
lamp wires.
Solder each wire to the terminal it was removed from at
disassembly.
Slide the two pieces of heat shrink tubing over the soldered
connections and heat shrink the tubing.
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2.
3.
4.